If you didn't notice...as the frequency gets higher, the wavelength gets shorter or closer together. Also, the most energy is needed when the frequency gets bigger. So gamma rays produce the most energy...Radio Waves produced the least energy.
Radio Waves Longest wavelengths λ Radio Waves are produced when charged particles move back and forth in instruments such as antennas They can be disturbed by obstacles and weather
Microwaves Highest frequency of RADIO WAVES Wavelengths λ are only a few centimeters long The water from the food absorbs energy, which produces heat. This is how a microwave works.
Infrared Rays These frequencies are slightly lower than Visible Light Rays Cannot be seen, but can be felt as heat (light bulbs, stoves, sun) All objects give off some quantity of infrared; the quantity just depends on the temperature of the object. Hotter objects give off more infrared rays
Visible Light Red, orange, yellow, green, blue, indigo, and violet are the possible visible colors Visible Light is the smallest portion of the spectrum Visible Light is very important!! We couldn’t survive without it. Visible Light is needed for Photosynthesis which produces oxygen which keeps us alive!
The speed of light is 299,792,458 meters per second...REALLY FAST!
Ultra-Violet Rays (UV Rays) Frequencies are just higher than Visible Light UV Energy is great enough to kill living cells UV lamps are used in hospitals and green houses to kill bacteria and to preserve foods and nutrients in plants.
X-Rays Frequencies are just higher than UV Rays It is strong enough to pass through many materials, including skin It also goes through clothes, shoes, and hair However, the bones absorb X-Rays; this is how X-Rays work
Gamma Rays Highest frequencies Shortest wavelengths λ Highest energy on the Electro-Magnetic Spectrum Radioactive materials and nuclear materials emit Gamma Rays
The Electro-Magnetic Spectrum
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If you didn't notice...as the frequency gets higher, the wavelength gets shorter or closer together. Also, the most energy is needed when the frequency gets bigger. So gamma rays produce the most energy...Radio Waves produced the least energy.
Radio Waves
Longest wavelengths λ
Radio Waves are produced when charged particles move back and forth in instruments such as antennas
They can be disturbed by obstacles and weather
Microwaves
Highest frequency of RADIO WAVES
Wavelengths λ are only a few centimeters long
The water from the food absorbs energy, which produces heat. This is how a microwave works.
Infrared Rays
These frequencies are slightly lower than Visible Light Rays
Cannot be seen, but can be felt as heat (light bulbs, stoves, sun)
All objects give off some quantity of infrared; the quantity just depends on the temperature of the object.
Hotter objects give off more infrared rays
Visible Light
Red, orange, yellow, green, blue, indigo, and violet are the possible visible colors
Visible Light is the smallest portion of the spectrum
Visible Light is very important!! We couldn’t survive without it.
Visible Light is needed for Photosynthesis which produces oxygen which keeps us alive!
The speed of light is 299,792,458 meters per second...REALLY FAST!
Ultra-Violet Rays (UV Rays)
Frequencies are just higher than Visible Light
UV Energy is great enough to kill living cells
UV lamps are used in hospitals and green houses to kill bacteria and to preserve foods and nutrients in plants.
X-Rays
Frequencies are just higher than UV Rays
It is strong enough to pass through many materials, including skin
It also goes through clothes, shoes, and hair
However, the bones absorb X-Rays; this is how X-Rays work
Gamma Rays
Highest frequencies
Shortest wavelengths λ
Highest energy on the Electro-Magnetic Spectrum
Radioactive materials and nuclear materials emit Gamma Rays
RADIO WAVES
MICROWAVES
INFRARED
VISIBLE LIGHT
ULTRA-VIOLET (UV) RAYS
X-RAYS
GAMMA RAYS